Home / 17,412.28-26,128.79-6,319.83

Finding the Fourth Proportional to 17,412.28, 26,128.79 and 6,319.83

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Solution

The fourth proportional to 17,412.28, 26,128.79 and 6,319.83 is: 9,483.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,412.28 : 26,128.79 = 6,319.83 : x
  2. Step 2: Convert to fraction form
    17,412.28/26,128.79 = 6,319.83/x
  3. Step 3: Cross multiply
    17,412.28x = 26,128.79 × 6,319.83
  4. Step 4: Simplify right side
    17,412.28x = 165,129,454.01
  5. Step 5: Solve for x
    x = 165,129,454.01/17,412.28
  6. Step 6: Final answer
    x = 9,483.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.